Robert Milton Koch
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Biology
Robert Milton Koch's Degrees
- Masters Animal Science Kansas State University
- PhD Animal Science Texas A&M University
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(Suggest an Edit or Addition)Robert Milton Koch's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Efficiency of Feed Use in Beef Cattle (1963) (1029)
- The role of maternal effects in animal breeding. VI. Maternal effects in beef cattle. (1972) (327)
- Characterization of Biological Types of Cattle (Cycle III).III. Carcass Composition, Quality and Palatability (1976) (304)
- Comparisons of Bos Indicus and Bos Taurus Inheritance for Carcass Beef Characteristics and Meat Palatability (1989) (292)
- Characterization of biological types of cattle (Cycle IV): carcass traits and longissimus palatability. (1996) (266)
- Effect of marbling degree on beef palatability in Bos taurus and Bos indicus cattle. (1994) (263)
- Effects of Heterosis on Age and Weight at Puberty in Beef Heifers (1966) (163)
- Heritabilities and Genetic, Environmental and Phenotypic Correlations of Carcass Traits in a Population of Diverse Biological Types and their Implications in Selection Programs (1982) (146)
- Characterization of biological types of cattle-cycle III: I. Birth and weaning traits. (1979) (126)
- Genetic and phenotypic (co)variances for growth and carcass traits of purebred and composite populations of beef cattle. (1995) (120)
- Parameter estimates for direct, maternal, and grandmaternal genetic effects for birth weight and weaning weight in Hereford cattle. (1998) (120)
- Environmental effects on neonatal mortality of beef calves. (1993) (107)
- Effects of heterosis on maternal performance and milk production in Hereford, Angus and Shorthorn cattle. (1974) (106)
- Breed effects, retained heterosis, and estimates of genetic and phenotypic parameters for carcass and meat traits of beef cattle. (1994) (103)
- Effects of heterosis on reproduction in Herford, Angus and Shorthorn cattle. (1974) (101)
- Heterosis retained in advanced generations of crosses among Angus and Hereford cattle. (1985) (95)
- Carcass Composition, Quality and Palatability Attributes of Bulls and Steers Fed Different Energy Levels and Killed at Four Ages1 ,2 (1977) (95)
- Carcass Composition, Quality and Palatability Attributes of Bulls and Steers Fed Different Energy Levels and Killed at Four Ages1 ,2 (1977) (95)
- Twinning in cattle: I. Foundation animals and genetic and environmental effects on twinning rate. (1990) (94)
- Genetic Diversity Among Cattle Breeds and Its Use to Increase Beef Production Efficiency in a Temperate Environment (1986) (92)
- Genetic correlations among sex-limited traits in beef cattle. (1984) (88)
- Twinning in cattle: III. Effects of twinning on dystocia, reproductive traits, calf survival, calf growth and cow productivity. (1990) (88)
- Selection Criteria for Efficient Beef Production (1974) (81)
- Longissimus muscle quality, palatability and connective tissue histological characteristics of bulls and steers fed different energy levels and slaughtered at four ages. (1986) (80)
- Characterization of Biological Types of Cattle—Cycle III: II. Growth Rate and Puberty in Females (1979) (71)
- Lifetime production of beef heifers calving first at two vs three years of age. (1991) (70)
- Breed effects and heterosis in advanced generations of composite populations for preweaning traits of beef cattle. (1991) (69)
- Breed effects and heterosis in advanced generations of composite populations for puberty and scrotal traits of beef cattle. (1991) (69)
- Between- and within-breed genetic analysis of calving traits and survival to weaning in beef cattle. (1986) (68)
- Twinning in cattle: II. Genetic and environmental effects on ovulation rate in puberal heifers and postpartum cows and the effects of ovulation rate on embryonic survival. (1990) (67)
- Growth, digestive capability, carcass, and meat characteristics of Bison bison, Bos taurus, and Bos x Bison. (1995) (67)
- Genetic and Environmental Relationships among Economic Characters in Beef Cattle III. Evaluating Maternal Environment (1955) (67)
- Heterosis and Breed Maternal and Transmitted Effects in Beef Cattle I. Preweaning Traits (1978) (65)
- Breed effects and retained heterosis for growth, carcass, and meat traits in advanced generations of composite populations of beef cattle. (1994) (65)
- Cumulative selection and genetic change for weaning or yearling weight or for yearling weight plus muscle score in Hereford cattle. (1994) (64)
- Genetic and phenotypic (co)variances for production traits of female populations of purebred and composite beef cattle. (1995) (60)
- Heterosis in Preweaning Traits of Beef Cattle1 (1965) (60)
- Evaluation of Traits in the U.S.D.A. Yield Grade Equation for Predicting Beef Carcass Cutability in Breed Groups Differing in Growth and Fattening Characteristics (1975) (58)
- Germplasm evaluation in beef cattle--Cycle IV: postweaning growth and puberty of heifers. (1999) (57)
- Germplasm evaluation in beef cattle-cycle IV: birth and weaning traits. (1998) (57)
- Estimated breeding values for meat characteristics of crossbred cattle with an animal model. (1992) (55)
- Genetic relationships among growth and carcass traits of beef cattle. (1971) (53)
- Influence of Phospholipid Content and Fatty Acid Composition of Individual Phospholipids in Muscle from Bison, Hereford and Brahman Steers on Flavor (1989) (53)
- Breed effects and heterosis in advanced generations of composite populations for birth weight, birth date, dystocia, and survival as traits of dam in beef cattle. (1991) (51)
- Influence of Sex, Season of Birth and Age of Dam on Economic Traits in Range Beef Cattle (1955) (49)
- Heterosis for lifetime production in Hereford, Angus, shorthorn, and crossbred cows. (1992) (47)
- Genetic parameters for six measures of length of productive life and three measures of lifetime production by 6 yr after first calving for Hereford cows. (2004) (47)
- Breed effects and heterosis in advanced generations of composite populations for growth traits in both sexes of beef cattle. (1991) (46)
- Selection in Beef Cattle II. Selection Response (1974) (45)
- BREED COMPARISONS IN THE GERMPLASM EVALUATION PROGRAM AT MARC (1996) (44)
- Selection in Beef Cattle III. Correlated Response of Carcass Traits to Selection for Weaning Weight, Yearling Weight and Muscling Score in Cattle (1978) (44)
- Effects of breed and retained heterosis on milk yield and 200-day weight in advanced generations of composite populations of beef cattle. (1992) (44)
- Genetic response to selection for weaning weight or yearling weight or yearling weight and muscle score in Hereford cattle: efficiency of gain, growth, and carcass characteristics. (2004) (42)
- An analysis of reproductive traits in beef cattle. (1973) (41)
- Genetic variation in total and differential growth of carcass components in beef cattle. (1969) (40)
- Characterization of different biological types of steers (cycle IV): wholesale, subprimal, and retail product yields. (1997) (40)
- Preliminary results from cycle IV of the germ plasm evaluation program at the Roman L. Hruska U.S. Meat Animal Research Center. (1990) (39)
- Genetic analysis of carcass traits of steers adjusted to age, weight, or fat thickness slaughter endpoints. (2005) (39)
- Genetic and Phenotypic Relations Associated with Preweaning and Postweaning Growth of Hereford Bulls and Heifers (1973) (38)
- Heterosis Effects on Growth Rate and Feed Efficiency of Beef Steers (1966) (38)
- Characterization of biological types of cattle (cycle III). IV. Postweaning growth and feed efficiency. (1984) (38)
- Genetic parameters for stayability, stayability at calving, and stayability at weaning to specified ages for Hereford cows. (2005) (36)
- Relative contributions of subcutaneous and intermuscular fat to yields and predictability of retail product, fat trim, and bone in beef carcasses. (1998) (35)
- Heterosis and Breed Maternal and Transmitted Effects in Beef Cattle II. Growth Rate and Puberty in Females (1978) (34)
- Characterization of Biological Types of Cattle (Cycle II). V. Carcass Wholesale Cut Composition (1977) (34)
- Effect of selection for growth traits on age and weight at puberty in bovine females. (1990) (34)
- Genetic and Environmental Relationships among Economic Characters in Beef Cattle. I. Correlation among Paternal and Maternal Half-Sibs (1955) (33)
- Breed effects, dietary energy density effects, and retained heterosis on different measures of gain efficiency in beef cattle. (1994) (33)
- Breed effects and heterosis in advanced generations of composite populations for reproduction and maternal traits of beef cattle. (1992) (32)
- Heterosis and Breed Maternal and Transmitt ed Effec ts in Beef Cattle (1982) (32)
- Breed effects and retained heterosis for growth, carcass, and meat traits in advanced generations of composite populations of beef cattle (1994) (31)
- Size of calves at weaning as a permanent characteristic of range Hereford cows. (1951) (30)
- Selection in Beef Cattle. I. Selection Applied and Generation Interval (1974) (29)
- Heterosis Effects on Growth Rate of Beef Heifers (1966) (29)
- Effect of competition on gain in feedlot bulls from Hereford selection lines. (2007) (29)
- Heterosis for survival and dentition in Hereford, Angus, Shorthorn, and crossbred cows. (1991) (28)
- Evaluating Pre-Weaning Growth of Beef Calves (1962) (28)
- Evaluating the influence of sex on birth weight and preweaning gain in beef cattle. (1959) (28)
- Comparison of carcass traits of bulls and steers. (1969) (27)
- Heterosis and Breed Maternal and Transmitted Effects in Beef Cattle IV. Carcass Traits of Steers (1978) (27)
- Effect of Marbling Degree on Palatability and Caloric Content of Beef (1993) (25)
- Selection for Growth and Muscling Score in Beef Cattle I. Selection Applied2 (1982) (23)
- Individual and Maternal Genetic Effects for Beef Carcass Traits of Breeds Representing Diverse Biological Types (Cycle I)1 (1983) (23)
- Breed effects and heterosis in advanced generations of composite populations on actual weight, adjusted weight, hip height, and condition score of beef cows. (1992) (23)
- Genetic and Environmental Relationships among Economic Characters in Beef Cattle. II. Correlations between Offspring and Dam and Offspring and Sire (1955) (22)
- Genetic parameters in straightbred and crossbred beef cattle. (1970) (22)
- Effect of Inbreeding on Performance Traits of Beef Cattle (1961) (22)
- Germplasm Utilization In Beef Cattle (1989) (21)
- Comparison of models for estimation of genetic parameters for mature weight of Hereford cattle. (2002) (21)
- Genetic and phenotypic (co)variances for production traits of intact male populations of purebred and composite beef cattle. (1995) (21)
- Heterosis Effects on Carcass Traits of Beef Steers (1966) (21)
- Number of calves born, number of calves weaned, and cumulative weaning weight as measures of lifetime production for Hereford cows. (2004) (20)
- Maternal heterosis and grandmaternal effects in beef cattle: preweaning traits. (1987) (19)
- Effects of age, weight, and fat slaughter end points on estimates of breed and retained heterosis effects for carcass traits. (2006) (17)
- Estimates of genetic parameters for 320-day pelvic measurements of males and females and calving ease of 2-year-old females. (1994) (17)
- Direct and maternal genetic responses to selection for weaning or yearling weight or for yearling weight and muscle score in Hereford cattle. (1995) (16)
- Evaluating Post-Weaning Gain of Beef Calves (1963) (15)
- Heterosis and Breed Maternal and Transmitted Effects in Beef Cattle III. Growth Traits of Steers (1978) (14)
- Influence of postweaning gain interval on estimates of heritability and genetic correlations. (1982) (13)
- Characteristics of Diverse Breeds in Cycle IV of the Cattle Germ Plasm Evaluation Program at the U.S. Meat Animal Research Center (1991) (13)
- Comparative Energy Use in Bulls and Steers (1970) (12)
- Relationship of growth hormone, prolactin and thyrotropin secretion to individual and progeny performance of Hereford bulls. (1987) (12)
- Economic evaluation of heterosis and culling policies for lifetime productivity in Hereford, Angus, shorthorn, and crossbred cows. (1992) (12)
- The accuracy of weights and gains of beef cattle. (1958) (12)
- Heterosis and Breed Maternal and Transmitted Effects in Beef Cattle. V. Weight, Height and Condition Score of Females (1987) (11)
- Twinning in Cattle (1985) (11)
- Selection for Growth and Muscling Score in Beef Cattle. II. Genetics Parameters and Predicted Response2 (1982) (10)
- Composite Breeds To Use Heterosis and Breed Differences To Improve Efficiency of Beef Production In cooperation with the Institute of Agriculture and Natural Resources , University of Nebraska-Lincoln (2010) (10)
- Effect of length of the feeding period on accuracy of selection for gain and feed consumption in beef cattle. (1961) (9)
- Use of Electronic Meat Measuring Equipment to Measure Cutout Yield of Beef Carcasses (1976) (9)
- The Relationship of Certain Blood Constituents to Rate and Economy of Gain in Beef Cattle (1959) (9)
- Maternal heterosis and grandmaternal effects in beef cattle: postweaning growth and carcass traits. (1987) (9)
- Subjective Live Appraisal of Beef Carcass Traits (1964) (8)
- Relationships among certain live and carcass characteristics of beef cattle. (1962) (8)
- Breeding for Lean Beef (Germ Plasm Evaluation Program) (1988) (8)
- Mortality and Cold Tolerance of Calves with Different Ratios of Bos indicus to Bos taurus Inheritance (1993) (7)
- EFFECTS OF HETEROSIS ON REPRODUCTION IN HEREFORD , ANGUS AND SHORTHORN CATTLE 1 , 2 (2007) (7)
- Selecting Beef Cattle for Economical Gain2 (1962) (7)
- Inheritance of a spastic lethal in cattle. (1962) (7)
- Effects of Managing Heifers to Calve First at Two vs Three Years of Age on Longevityand Lifetime Production of Beef Cows (1985) (6)
- Characteristics of Diverse Breeds in Cycle IV of the Cattle Germplasm EvaluationProgram (1993) (6)
- Influence of hormone implants on gains made on native pastures and in the feedlot, and on carcass characteristics of yearling steers. (1959) (6)
- Composite Breeds - What Does the Research Tell Us? (1993) (6)
- Bison, Hereford, and Brahman Growth and Carcass Characteristics (1988) (6)
- Effect of Marbling on Variation and Change in Beef Tenderness In Bos Taurus and Bos Indicus Crosses (1993) (6)
- Genetic parameters and genetic trends for stayability in Hereford cows. (2002) (5)
- CHARACTERIZATION OF BIOLOGICAL TYPES OF CATTLE II 1 . CARCASS COMPOSITION , QUALITY AND PALATABI LITY 1 , 2 (2017) (5)
- Adjustment factors for carcass, gain and feed traits of beef cattle. (1966) (4)
- Weight Changes in Beef Calves Following Birth (1955) (4)
- Differences Among Parental Breeds in Germplasm UtilizationProject (1993) (4)
- Characterization of Breeds Representing Diverse Biological Types: Postweaning Growth and Puberty of Females (1982) (3)
- Characterization of Breeds Representing Diverse Biological Types: Reproduction and Maternal Performance of F 1 Cows (1985) (3)
- Effects of Heterosis on Longevity in Beef Cattle (1985) (3)
- Preliminary results for carcass and meat characteristics of diverse breeds in cycle IV of the cattle germ plasm evaluation program. (1990) (3)
- Heterosis, Breed Maternal, and Breed Direct Effects in Red Poll and Hereford Cattle (1987) (3)
- Characterization of Breeds Representing Diverse Biological Types: Preweaning Traits (1982) (2)
- Estimates of genetic and phenotypicparameters for carcass and meat traitsof beef cattle (1994) (2)
- Effects of Heterosis on Lifetime Production in Beef Cows (1985) (2)
- Maternal Effects in Four Diverse Breeds of Cattle (1985) (2)
- Evaluation of Beef Cattle Industry Breeding Programs: Breeders and Breed Associations (1986) (2)
- Heritability of economic characters in beef cattle (1953) (2)
- Heterosis Retention in Advanced Generation Angus-Hereford Crosses (1985) (2)
- Cycle V of the Germplasm Evaluation (GPE) Program in Beef Cattle (1993) (2)
- Germ Plasm Evaluation in Cattle (1988) (2)
- Malocclusion--a hereditary defect in cattle. (1962) (2)
- Germ Plasm Evaluation Program-Progress Report No. 10 (1981) (2)
- Yield grades and cutability of carcass beef with and without kidney and pelvic fat. (1986) (2)
- Preliminary carcass and meat research resultsfrom cycle iv of the cattle germ plasmevaluation program (1990) (1)
- Variation in and effects of prefabrication fat trimming on yields and prediction equation accuracies of retail product and fat trim (1996) (1)
- Use of Crossbreeding and Breed Differences to Meet Specific Targets for Productionand Carcass Traits of Beef Cattle (1993) (1)
- HETEROSIS AND BREED EFFECTS IN BEEF CATTLE (2007) (1)
- Growth in Weight of Selected Organs, Tissues and Systems in the Pig (1970) (1)
- Characterization of Breeds Representing Diverse Biological Types: Carcass and Meat Traits of Steers (1982) (1)
- Effects of Heterosis in Hereford, Angus, and Shorthorn Rotational Crosses (1982) (1)
- Heterosis and Breed Effects on Reproduction (2021) (1)
- Estimates of genetic and phenotypic parameters of pelvic measures, weight, height, calf birth weight, and dystocia in beef cattle (1993) (1)
- Characterization of different biological types of steers (cycle IV): retail product yields (1997) (1)
- Genetic Relationships Among Carcass Traits and Their Implications in SelectionPrograms (1985) (0)
- Genetic Relationships Among Carcass Traits and Their Implications in Selection Programs (2017) (0)
- Weaning Traits Characterization of Biological Types of Cattle-Cycle III : I . Birth 1979 (2007) (0)
- Using Crossbreeding Systems to Produce Beef (1993) (0)
- Characterization of Breeds Representing Diverse Biological Types: Postweaning Growth and Feed Efficiency (1982) (0)
- Herd differences and heterosis in Polled Hereford and Angus cattle. (1970) (0)
- Cattlemen ’ s Day 1996 VARIATION IN AND EFFECTS OF PREFABRICATION FAT TRIMMING ON YIELDS AND PREDICTION EQUATION ACCURACIES OF RETAIL PRODUCT AND FAT TRIM 1 (2009) (0)
- Individual Heterosis Effects on Mature Size and Maternal Heterosis Effects onPreweaing Traits and Postweaning Growth and Carcass Traits (1988) (0)
- TWINNING IN CATTLE: 1. FOUNDATION ANIMALS AND GENETIC AND ENVIRONMENTAL EFFECTS ON WINNING RATE (2002) (0)
- Genetic parameters for weights of hereford cows. (2002) (0)
- Reproduction and Maternal Characteristics of Diverse Breeds of Cattle used for Beef production (1989) (0)
- Germ PlasmEvaluation Program- Progress Report No. 12 (1990) (0)
- Sixteen Years of Selection for Weaning Weight, Final Weight, and Muscling Score in Hereford Cattle (1982) (0)
- Length of Feeding Interval Influences Accuracy of Selection for Growth (1985) (0)
- Cattlemen ' s Day 1997 CHARACTERIZATION OF DIFFERENT BIOLOGICAL TYPES OF STEERS ( CYCLE IV ) : RETAIL PRODUCT YIELDS 1 (2009) (0)
- Genetic and Phenotypic ( Co ) Variances for Growth and Carcass Traits of Purebred and Composite Populations of Beef Cattle 1 # * (2000) (0)
- Germ PlasmEvaluationProgram- Progress Report No. 11 (1984) (0)
- Growth and Carcass Characteristics of Diverse Breeds Of Cattle used for Beef Production (1989) (0)
- heifers and postpartum cows and the effects of ovulation rate on embryonic survival Twinning in cattle: II. Genetic and environmental effects on ovulation rate in puberal (2011) (0)
- Estimates of genetic and phenotypic parameters for carcass and meat traits of beef cattle (1994) (0)
- Genetic Correlations of Reproductive and Maternal Traits with Growth and CarcassTraits in Beef Cattle (1985) (0)
- Genetic Variation in Beef Cattle (1991) (0)
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